Data points: 66
The readout for Gemini 2.5 Pro and GPT-4o Search, before the detailed comparison sheet.
Decision read
Gemini 2.5 Pro
Gemini 2.5 Pro currently has the stronger profile, with verified wins split 5 to 1.
Evidence depth
66 data points
Includes 0 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with Gemini 2.5 Pro
The charts below split 7 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
Model compare Gemini 2.5 Pro vs GPT-4o Searchgemini-2-5-pro-vs-gpt-4o-search | Model A Gemini 2.5 Pro | Model B GPT-4o Search |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 1 wins |
| Where it leads | Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Gemini 2.5 Pro
60.8
Avg. score
GPT-4o Search
-
Selected category
Agents
Gemini 2.5 Pro
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Pro | GPT-4o Search |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 2.5 Pro | GPT-4o Search |
|---|---|---|
5 tests | Gemini 2.5 Pro speed / latency 92 tok/s / 16347ms input / output No data |
This report only uses LMSpeed data for Gemini 2.5 Pro and GPT-4o Search: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Pro | GPT-4o Search |
|---|---|---|
| When to choose each model | Gemini 2.5 Pro Gemini 2.5 Pro is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. | GPT-4o Search GPT-4o Search is stronger when you prioritize First-token latency. |
TL;DR: Gemini 2.5 Pro leads across 66 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Pro vs GPT-4o Search into nearby model comparisons with enough verified LMSpeed data.
| First-token latency |
| Model metadata | Gemini 2.5 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | GPT-4o Search exposes 128K tokens; notable signals: Text input, Text output, Structured outputs, JSON mode. |
|---|---|---|
| Developer | OpenAI | |
| Context window | 1.0M tokens | 128K tokens |
| Max output | 65.5K tokens | 16.4K tokens |
| Released | Jun 2025 | Mar 2025 |
| Modalities | Input TextImageFileAudiovideo Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputStructured outputsJSON modeWeb search |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | 2025-01-31 | 2023-10-31 |
| OpenRouter ID | google/gemini-2.5-pro | openai/gpt-4o-search-preview |
| References | No data | No data |
GPT-4o Search
speed / latency
N/A / N/A
input / output
No data
N1N5 tests | Gemini 2.5 Pro speed / latency 106 tok/s / 16405ms input / output No data | GPT-4o Search speed / latency N/A / N/A input / output No data |
|---|
SWT-API5 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-4o Search speed / latency 61 tok/s / 3469ms input / output No data |
|---|
AASS API0 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-4o Search speed / latency N/A / N/A input / output No data |
|---|
AI API0 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-4o Search speed / latency N/A / N/A input / output No data |
|---|
Gemini 2.5 Pro gemini-2.5-pro-preview-05-06 speed / latency No data input / output $0.171/M / $1.37/M | GPT-4o Search gpt-4o-search-preview-2025-03-11 speed / latency No data input / output $10.27/M / $41.10/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.051/M / $0.411/M | GPT-4o Search gpt-4o-search-preview-2025-03-11 speed / latency No data input / output $0.103/M / $0.411/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
